diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index 9729987d2d..b2825fc26f 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -232,7 +232,8 @@ class update_entries_after(object):
 				and is_cancelled = 0
 				and timestamp(posting_date, time_format(posting_time, %(time_format)s)) < timestamp(%(posting_date)s, time_format(%(posting_time)s, %(time_format)s))
 			order by timestamp(posting_date, posting_time) desc, creation desc
-			limit 1""", args, as_dict=1)
+			limit 1
+			for update""", args, as_dict=1)
 
 		return sle[0] if sle else frappe._dict()
 
@@ -623,7 +624,7 @@ class update_entries_after(object):
 							break
 
 					# If no entry found with outgoing rate, collapse stack
-					if index == None:
+					if index is None:  # nosemgrep
 						new_stock_value = sum((d[0]*d[1] for d in self.wh_data.stock_queue)) - qty_to_pop*outgoing_rate
 						new_stock_qty = sum((d[0] for d in self.wh_data.stock_queue)) - qty_to_pop
 						self.wh_data.stock_queue = [[new_stock_qty, new_stock_value/new_stock_qty if new_stock_qty > 0 else outgoing_rate]]